#1B8137#1B8137

#1B8137 is a mid, vivid green. Relative luminance 0.162; OKLCH L 53.0% C 0.142 H 147.7°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#1B8137
RGB	rgb(27, 129, 55)
HSL	hsl(136, 65%, 31%)
HSV	hsv(136, 79%, 51%)
CMYK	cmyk(79.1%, 0%, 57.4%, 49.4%)
CIE-LAB	lab(47.25, -44.79, 31.82)
CIE-LCH	lch(47.25, 54.95, 144.61°)
OKLab	oklab(53.03% -0.1204 0.076)
OKLCH	oklch(53.03% 0.142 147.7)
XYZ	xyz(8.9911, 16.2083, 6.2683)
Luminance	0.1621 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B8137 #811B65

analogous

#32811B #1B8137 #1B816A

triadic

#1B8137 #371B81 #81371B

tetradic

#1B8137 #1B3281 #811B65 #816A1B

square

#1B8137 #1B3281 #811B65 #816A1B

split-complementary

#1B8137 #6A1B81 #811B32

monochromatic

#061C0C #104E21 #1B8137 #26B44D #3FD769

Accessibility & contrast

On white

4.95

#1B8137 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#1B8137 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B8137

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B8137	#FFFFFF	#000000	##FFFFFF
##1B8137	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#827530

Deuteranopia (green-blind)

#776D3D

Tritanopia (blue-blind)

#007E70

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #1b8137;
/* rgb */ color: rgb(27, 129, 55);
/* oklch */ color: oklch(53.0% 0.142 147.7);

Tailwind

colors: {
  custom: {
    50: '#6aa770',
    500: '#1b8137',
    950: '#000000',
  },
}

SCSS

$custom: #1b8137;
$custom-light: #6aa770;
$custom-dark: #000000;

JSON

{
  "hex": "#1b8137",
  "rgb": {
    "r": 27,
    "g": 129,
    "b": 55
  },
  "hsl": {
    "h": 136.471,
    "s": 65.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.5303,
    "c": 0.14243,
    "h": 147.7
  },
  "luminance": 0.16209
}

Semantic roles & 50–950 ramp

primary

#1B8137

secondary

#B54395

accent

#3FBAE8

background

#F6FAF6

surface

#ECF4EC

border

#C7CEC7

text

#070F07

muted

#7A7F7A

Preview Lab

Preview with #1B8137

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →